Home / 324,646.12-487,021.47-100,006.48

Finding the Fourth Proportional to 324,646.12, 487,021.47 and 100,006.48

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Solution

The fourth proportional to 324,646.12, 487,021.47 and 100,006.48 is: 150,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,646.12 : 487,021.47 = 100,006.48 : x
  2. Step 2: Convert to fraction form
    324,646.12/487,021.47 = 100,006.48/x
  3. Step 3: Cross multiply
    324,646.12x = 487,021.47 × 100,006.48
  4. Step 4: Simplify right side
    324,646.12x = 48,705,302,899.13
  5. Step 5: Solve for x
    x = 48,705,302,899.13/324,646.12
  6. Step 6: Final answer
    x = 150,025.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.